Wartsila scoops deal to convert Stena Line ferries to methanol 27 June 2023 Swedish owner is aiming to switch to renewable fuels by 2030Author: Capt. Johnhttps://www.tradewindsnews.com/cruise-and-ferry/wartsila-scoops-deal-to-convert-stena-line-ferries-to-methanol/2-1-1475144